"OAuth authentication and authorization protocol information" matching MCP servers:

A self-hostable Gmail MCP server that enables Gmail search/read, sending, replies, drafts, labels, and attachment downloads via MCP tools with OAuth authorization. Supports stdio and streamable HTTP transports.

Enables Claude to read, search, send, and manage email across multiple IMAP/SMTP accounts through OAuth 2.1-secured MCP tools.

Relays a result screenshot to Slack so you can review a coding agent's output without opening the app.

Enables comprehensive Google Meet and Calendar management through Google Calendar API v3 and Google Meet API v2, supporting calendar event creation with Meet links, space management, transcription, recording, attendance tracking, and meeting moderation controls.

Enables reading Discord messages and server information using your own account via OAuth2, no bot required.

Summarizes Slack activity and GitLab merge requests with OpenAI to help generate daily standups, weekly reports, or quarterly check-ins.

Implements a secure message communication protocol for handling exchanges between the banking chatbot and Azure OpenAI, providing message queuing, reliability, and detailed logging.

Enables interaction with Microsoft Outlook for managing emails and calendars through OAuth2 delegated access. It provides a stateless, spec-compliant server that allows users to authenticate and perform mail and calendar operations with their own Microsoft accounts.

Discover and connect your agents with other agents via A2A protocol. Share resources for free or fee.

Enables AI assistants to interact with LinkedIn and LinkedIn Sales Navigator for searching profiles, managing leads, and handling messaging via cookie-based authentication. It supports professional networking tasks such as sending connection requests and retrieving account details through the Model Context Protocol.

Production-ready MCP server enabling AI assistants to interact with Braze's customer engagement platform, offering 92 tools for user management, messaging, campaigns, analytics, email/SMS, catalogs, and SCIM provisioning.

An MCP server that provides AI applications with a toolset for an Artificial Virtual Assistant (AVA) integrated with the Gmail API. It enables users to automate email management and personal tasks through secure Google OAuth authentication.

Combines KC Chat Panel session interaction with AgentDock computer control tools, enabling Cursor Cloud Agent to chat and operate the local machine via AgentDock.

A standardized interface for agent-to-agent communication that enables composability, supports streaming, and implements server-sent events (SSE) for real-time interaction.

Agentic AI instruction encoding. 86.8% smaller than JSON. Inference-free decode by table lookup. 342 opcodes, 26 namespaces, three conformant SDKs. Confirmed over LoRa mesh radio. Apache 2.0 with express patent grant.

A REST API server implementation for message handling with Oracle Database integration via ODBC, offering endpoints for creating and retrieving messages with comprehensive error handling.

A collection of MCP servers for Slack, Jira, Confluence, and release coordination to automate QA workflows and daily release status reporting.

Enables sending emails and creating drafts through the Gmail API with OAuth 2.0 authentication.

Enables interaction with the X (Twitter) API through MCP tools for managing users, posts, bookmarks, likes, and lists. Supports markdown or JSON output and uses OAuth 2.0 PKCE authentication.

Enables AI assistants to manage multiple Gmail accounts simultaneously with built-in OAuth authentication, supporting email reading, sending, drafts, labels, and account management.